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Questions in physics

[Answered] What is the average velocity of a particle?

[Answered] A body oscillates with simple harmonic motion along the x-axis. Its displacement varies with time according to the equation \(x = 0.5 \sin (\pi t + \frac{\pi}{3})\). The acceleration (in \(\text{m/s}^2\)) of the body at \(t = 1.0\) s is approximately: A. 3.5 B. 49 C. 14 D. 43 E. 4.3

[Answered] The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 120-gram sample of carbon-14 after 2 half-lives?

[Answered] What is the definition of a parallel circuit?

[Answered] The distance between two consecutive troughs in a wave motion train produced in a string is 5 cm. Find the speed of the wave if two complete waves pass through any point per second.

[Answered] Suggest an experiment to prove that the rate of evaporation of a liquid depends on its surface area and the vapor already present in the surrounding air.

[Answered] Explain why weight would be different on different planets by discussing gravity.

[Answered] What effect does distance have on gravity?

[Answered] Identify some common fuels.

[Answered] Identify the main renewable energy resources.